Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6683946 | Local exchange carrier escape list for local number portability | Kasiviswanathan Rangarajan | 2004-01-27 |
BJ
Bert Lee Frey, Jr.
Overall (2004): #255,892 of 270,089Top 95%
1
Patents 2004